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        <a href="gluon-module.html">Package&nbsp;gluon</a> ::
        Module&nbsp;restricted
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<h1 class="epydoc">Source Code for <a href="gluon.restricted-module.html">Module gluon.restricted</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-comment">#!/usr/bin/python</tt> </tt>
<a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># -*- coding: utf-8 -*-</tt> </tt>
<a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"><tt class="py-docstring">This file is part of web2py Web Framework (Copyrighted, 2007)</tt> </tt>
<a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line"><tt class="py-docstring">Developed by Massimo Di Pierro &lt;mdipierro@cs.depaul.edu&gt;</tt> </tt>
<a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"><tt class="py-docstring">License: GPL v2</tt> </tt>
<a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L9"></a><tt class="py-lineno">  9</tt>  <tt class="py-line"> </tt>
<a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">sys</tt> </tt>
<a name="L11"></a><tt class="py-lineno"> 11</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">cStringIO</tt> </tt>
<a name="L12"></a><tt class="py-lineno"> 12</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">cPickle</tt> </tt>
<a name="L13"></a><tt class="py-lineno"> 13</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">traceback</tt> </tt>
<a name="L14"></a><tt class="py-lineno"> 14</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">copy</tt> </tt>
<a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">cgi</tt> </tt>
<a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">types</tt> </tt>
<a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">time</tt> </tt>
<a name="L18"></a><tt class="py-lineno"> 18</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">os</tt> </tt>
<a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">uuid</tt> </tt>
<a name="L20"></a><tt class="py-lineno"> 20</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">datetime</tt> </tt>
<a name="L21"></a><tt class="py-lineno"> 21</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-0" class="py-name" targets="Module gluon.html=gluon.html-module.html"><a title="gluon.html" class="py-name" href="#" onclick="return doclink('link-0', 'html', 'link-0');">html</a></tt> <tt class="py-keyword">import</tt> <tt id="link-1" class="py-name" targets="Class gluon.html.BEAUTIFY=gluon.html.BEAUTIFY-class.html"><a title="gluon.html.BEAUTIFY" class="py-name" href="#" onclick="return doclink('link-1', 'BEAUTIFY', 'link-1');">BEAUTIFY</a></tt> </tt>
<a name="L22"></a><tt class="py-lineno"> 22</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-2" class="py-name" targets="Module gluon.http=gluon.http-module.html"><a title="gluon.http" class="py-name" href="#" onclick="return doclink('link-2', 'http', 'link-2');">http</a></tt> <tt class="py-keyword">import</tt> <tt id="link-3" class="py-name" targets="Class gluon.http.HTTP=gluon.http.HTTP-class.html"><a title="gluon.http.HTTP" class="py-name" href="#" onclick="return doclink('link-3', 'HTTP', 'link-3');">HTTP</a></tt> </tt>
<a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line"> </tt>
<a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line"><tt class="py-name">__all__</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-string">'RestrictedError'</tt><tt class="py-op">,</tt> <tt class="py-string">'restricted'</tt><tt class="py-op">]</tt> </tt>
<a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line"> </tt>
<a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line"> </tt>
<a name="RestrictedError"></a><div id="RestrictedError-def"><a name="L27"></a><tt class="py-lineno"> 27</tt> <a class="py-toggle" href="#" id="RestrictedError-toggle" onclick="return toggle('RestrictedError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="gluon.restricted.RestrictedError-class.html">RestrictedError</a><tt class="py-op">:</tt> </tt>
</div><div id="RestrictedError-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="RestrictedError-expanded"><a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line"> </tt>
<a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line"><tt class="py-docstring">    class used to wrap an exception that occurs in the restricted environment</tt> </tt>
<a name="L31"></a><tt class="py-lineno"> 31</tt>  <tt class="py-line"><tt class="py-docstring">    below. the traceback is used to log the exception and generate a ticket.</tt> </tt>
<a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L33"></a><tt class="py-lineno"> 33</tt>  <tt class="py-line"> </tt>
<a name="RestrictedError.__init__"></a><div id="RestrictedError.__init__-def"><a name="L34"></a><tt class="py-lineno"> 34</tt> <a class="py-toggle" href="#" id="RestrictedError.__init__-toggle" onclick="return toggle('RestrictedError.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="gluon.restricted.RestrictedError-class.html#__init__">__init__</a><tt class="py-op">(</tt> </tt>
<a name="L35"></a><tt class="py-lineno"> 35</tt>  <tt class="py-line">        <tt class="py-param">self</tt><tt class="py-op">,</tt> </tt>
<a name="L36"></a><tt class="py-lineno"> 36</tt>  <tt class="py-line">        <tt class="py-param">layer</tt><tt class="py-op">=</tt><tt class="py-string">''</tt><tt class="py-op">,</tt> </tt>
<a name="L37"></a><tt class="py-lineno"> 37</tt>  <tt class="py-line">        <tt class="py-param">code</tt><tt class="py-op">=</tt><tt class="py-string">''</tt><tt class="py-op">,</tt> </tt>
<a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line">        <tt class="py-param">output</tt><tt class="py-op">=</tt><tt class="py-string">''</tt><tt class="py-op">,</tt> </tt>
<a name="L39"></a><tt class="py-lineno"> 39</tt>  <tt class="py-line">        <tt class="py-param">environment</tt><tt class="py-op">=</tt><tt class="py-op">{</tt><tt class="py-op">}</tt><tt class="py-op">,</tt> </tt>
<a name="L40"></a><tt class="py-lineno"> 40</tt>  <tt class="py-line">        <tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="RestrictedError.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="RestrictedError.__init__-expanded"><a name="L41"></a><tt class="py-lineno"> 41</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L42"></a><tt class="py-lineno"> 42</tt>  <tt class="py-line"><tt class="py-docstring">        layer here is some description of where in the system the exception</tt> </tt>
<a name="L43"></a><tt class="py-lineno"> 43</tt>  <tt class="py-line"><tt class="py-docstring">        occurred.</tt> </tt>
<a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L45"></a><tt class="py-lineno"> 45</tt>  <tt class="py-line"> </tt>
<a name="L46"></a><tt class="py-lineno"> 46</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">layer</tt> <tt class="py-op">=</tt> <tt class="py-name">layer</tt> </tt>
<a name="L47"></a><tt class="py-lineno"> 47</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">code</tt> <tt class="py-op">=</tt> <tt class="py-name">code</tt> </tt>
<a name="L48"></a><tt class="py-lineno"> 48</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">output</tt> <tt class="py-op">=</tt> <tt class="py-name">output</tt> </tt>
<a name="L49"></a><tt class="py-lineno"> 49</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">layer</tt><tt class="py-op">:</tt> </tt>
<a name="L50"></a><tt class="py-lineno"> 50</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">traceback</tt> <tt class="py-op">=</tt> <tt class="py-name">traceback</tt><tt class="py-op">.</tt><tt id="link-4" class="py-name" targets="Function gluon.wsgiserver.format_exc()=gluon.wsgiserver-module.html#format_exc"><a title="gluon.wsgiserver.format_exc" class="py-name" href="#" onclick="return doclink('link-4', 'format_exc', 'link-4');">format_exc</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L51"></a><tt class="py-lineno"> 51</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L52"></a><tt class="py-lineno"> 52</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">traceback</tt> <tt class="py-op">=</tt> <tt class="py-string">'(no error)'</tt> </tt>
<a name="L53"></a><tt class="py-lineno"> 53</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">environment</tt> <tt class="py-op">=</tt> <tt class="py-name">environment</tt> </tt>
</div><a name="L54"></a><tt class="py-lineno"> 54</tt>  <tt class="py-line"> </tt>
<a name="RestrictedError.log"></a><div id="RestrictedError.log-def"><a name="L55"></a><tt class="py-lineno"> 55</tt> <a class="py-toggle" href="#" id="RestrictedError.log-toggle" onclick="return toggle('RestrictedError.log');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="gluon.restricted.RestrictedError-class.html#log">log</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">request</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="RestrictedError.log-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="RestrictedError.log-expanded"><a name="L56"></a><tt class="py-lineno"> 56</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L57"></a><tt class="py-lineno"> 57</tt>  <tt class="py-line"><tt class="py-docstring">        logs the exeption.</tt> </tt>
<a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L59"></a><tt class="py-lineno"> 59</tt>  <tt class="py-line"> </tt>
<a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line">        <tt class="py-name">a</tt> <tt class="py-op">=</tt> <tt class="py-name">request</tt><tt class="py-op">.</tt><tt class="py-name">application</tt> </tt>
<a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line">        <tt class="py-name">d</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt> </tt>
<a name="L62"></a><tt class="py-lineno"> 62</tt>  <tt class="py-line">            <tt class="py-string">'layer'</tt><tt class="py-op">:</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">layer</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L63"></a><tt class="py-lineno"> 63</tt>  <tt class="py-line">            <tt class="py-string">'code'</tt><tt class="py-op">:</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">code</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L64"></a><tt class="py-lineno"> 64</tt>  <tt class="py-line">            <tt class="py-string">'output'</tt><tt class="py-op">:</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">output</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L65"></a><tt class="py-lineno"> 65</tt>  <tt class="py-line">            <tt class="py-string">'traceback'</tt><tt class="py-op">:</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">traceback</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L66"></a><tt class="py-lineno"> 66</tt>  <tt class="py-line">            <tt class="py-op">}</tt> </tt>
<a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line">        <tt id="link-5" class="py-name" targets="Variable gluon.wsgiserver.SSLConnection.f=gluon.wsgiserver.SSLConnection-class.html#f"><a title="gluon.wsgiserver.SSLConnection.f" class="py-name" href="#" onclick="return doclink('link-5', 'f', 'link-5');">f</a></tt> <tt class="py-op">=</tt> <tt class="py-string">'%s.%s.%s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">.</tt><tt class="py-name">client</tt><tt class="py-op">.</tt><tt id="link-6" class="py-name" targets="Function gluon.template.replace()=gluon.template-module.html#replace"><a title="gluon.template.replace" class="py-name" href="#" onclick="return doclink('link-6', 'replace', 'link-6');">replace</a></tt><tt class="py-op">(</tt><tt class="py-string">':'</tt><tt class="py-op">,</tt> <tt class="py-string">'_'</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L68"></a><tt class="py-lineno"> 68</tt>  <tt class="py-line">                          <tt class="py-name">datetime</tt><tt class="py-op">.</tt><tt class="py-name">datetime</tt><tt class="py-op">.</tt><tt class="py-name">now</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">strftime</tt><tt class="py-op">(</tt><tt class="py-string">'%Y-%m-%d.%H-%M-%S'</tt> </tt>
<a name="L69"></a><tt class="py-lineno"> 69</tt>  <tt class="py-line">                          <tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">uuid</tt><tt class="py-op">.</tt><tt class="py-name">uuid4</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L70"></a><tt class="py-lineno"> 70</tt>  <tt class="py-line">        <tt class="py-name">cPickle</tt><tt class="py-op">.</tt><tt class="py-name">dump</tt><tt class="py-op">(</tt><tt class="py-name">d</tt><tt class="py-op">,</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">.</tt><tt class="py-name">folder</tt><tt class="py-op">,</tt> <tt class="py-string">'errors'</tt><tt class="py-op">,</tt> <tt id="link-7" class="py-name"><a title="gluon.wsgiserver.SSLConnection.f" class="py-name" href="#" onclick="return doclink('link-7', 'f', 'link-5');">f</a></tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line">                     <tt class="py-string">'wb'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L72"></a><tt class="py-lineno"> 72</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-string">'%s/%s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">a</tt><tt class="py-op">,</tt> <tt id="link-8" class="py-name"><a title="gluon.wsgiserver.SSLConnection.f" class="py-name" href="#" onclick="return doclink('link-8', 'f', 'link-5');">f</a></tt><tt class="py-op">)</tt> </tt>
</div><a name="L73"></a><tt class="py-lineno"> 73</tt>  <tt class="py-line"> </tt>
<a name="RestrictedError.load"></a><div id="RestrictedError.load-def"><a name="L74"></a><tt class="py-lineno"> 74</tt> <a class="py-toggle" href="#" id="RestrictedError.load-toggle" onclick="return toggle('RestrictedError.load');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="gluon.restricted.RestrictedError-class.html#load">load</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">file</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="RestrictedError.load-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="RestrictedError.load-expanded"><a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L76"></a><tt class="py-lineno"> 76</tt>  <tt class="py-line"><tt class="py-docstring">        loads a logged exception.</tt> </tt>
<a name="L77"></a><tt class="py-lineno"> 77</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L78"></a><tt class="py-lineno"> 78</tt>  <tt class="py-line"> </tt>
<a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line">        <tt class="py-name">d</tt> <tt class="py-op">=</tt> <tt class="py-name">cPickle</tt><tt class="py-op">.</tt><tt id="link-9" class="py-name" targets="Method gluon.restricted.RestrictedError.load()=gluon.restricted.RestrictedError-class.html#load"><a title="gluon.restricted.RestrictedError.load" class="py-name" href="#" onclick="return doclink('link-9', 'load', 'link-9');">load</a></tt><tt class="py-op">(</tt><tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">file</tt><tt class="py-op">,</tt> <tt class="py-string">'rb'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">layer</tt> <tt class="py-op">=</tt> <tt class="py-name">d</tt><tt class="py-op">[</tt><tt class="py-string">'layer'</tt><tt class="py-op">]</tt> </tt>
<a name="L81"></a><tt class="py-lineno"> 81</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">code</tt> <tt class="py-op">=</tt> <tt class="py-name">d</tt><tt class="py-op">[</tt><tt class="py-string">'code'</tt><tt class="py-op">]</tt> </tt>
<a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">output</tt> <tt class="py-op">=</tt> <tt class="py-name">d</tt><tt class="py-op">[</tt><tt class="py-string">'output'</tt><tt class="py-op">]</tt> </tt>
<a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">traceback</tt> <tt class="py-op">=</tt> <tt class="py-name">d</tt><tt class="py-op">[</tt><tt class="py-string">'traceback'</tt><tt class="py-op">]</tt> </tt>
</div></div><a name="L84"></a><tt class="py-lineno"> 84</tt>  <tt class="py-line"> </tt>
<a name="L85"></a><tt class="py-lineno"> 85</tt>  <tt class="py-line"> </tt>
<a name="restricted"></a><div id="restricted-def"><a name="L86"></a><tt class="py-lineno"> 86</tt> <a class="py-toggle" href="#" id="restricted-toggle" onclick="return toggle('restricted');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="gluon.restricted-module.html#restricted">restricted</a><tt class="py-op">(</tt><tt class="py-param">code</tt><tt class="py-op">,</tt> <tt class="py-param">environment</tt><tt class="py-op">=</tt><tt class="py-op">{</tt><tt class="py-op">}</tt><tt class="py-op">,</tt> <tt class="py-param">layer</tt><tt class="py-op">=</tt><tt class="py-string">'Unkown'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="restricted-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="restricted-expanded"><a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L88"></a><tt class="py-lineno"> 88</tt>  <tt class="py-line"><tt class="py-docstring">    runs code in evrionment and returns the output. if an exeception occurs </tt> </tt>
<a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line"><tt class="py-docstring">    in code it raises a RestrictedError containg the traceback. layer is passed</tt> </tt>
<a name="L90"></a><tt class="py-lineno"> 90</tt>  <tt class="py-line"><tt class="py-docstring">    to RestrictedError to identify where the error occurred.</tt> </tt>
<a name="L91"></a><tt class="py-lineno"> 91</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L92"></a><tt class="py-lineno"> 92</tt>  <tt class="py-line"> </tt>
<a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L94"></a><tt class="py-lineno"> 94</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">code</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-name">types</tt><tt class="py-op">.</tt><tt class="py-name">CodeType</tt><tt class="py-op">:</tt> </tt>
<a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line">            <tt class="py-name">ccode</tt> <tt class="py-op">=</tt> <tt class="py-name">code</tt> </tt>
<a name="L96"></a><tt class="py-lineno"> 96</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L97"></a><tt class="py-lineno"> 97</tt>  <tt class="py-line">            <tt class="py-name">ccode</tt> <tt class="py-op">=</tt> <tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-name">code</tt><tt class="py-op">.</tt><tt id="link-10" class="py-name"><a title="gluon.template.replace" class="py-name" href="#" onclick="return doclink('link-10', 'replace', 'link-6');">replace</a></tt><tt class="py-op">(</tt><tt class="py-string">'\r\n'</tt><tt class="py-op">,</tt> <tt class="py-string">'\n'</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">layer</tt><tt class="py-op">,</tt> <tt class="py-string">'exec'</tt><tt class="py-op">)</tt> </tt>
<a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line">        <tt class="py-keyword">exec</tt> <tt class="py-name">ccode</tt> <tt class="py-keyword">in</tt> <tt class="py-name">environment</tt> </tt>
<a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt> <tt id="link-11" class="py-name"><a title="gluon.http.HTTP" class="py-name" href="#" onclick="return doclink('link-11', 'HTTP', 'link-3');">HTTP</a></tt><tt class="py-op">:</tt> </tt>
<a name="L100"></a><tt class="py-lineno">100</tt>  <tt class="py-line">        <tt class="py-keyword">raise</tt> </tt>
<a name="L101"></a><tt class="py-lineno">101</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">exception</tt><tt class="py-op">:</tt> </tt>
<a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line">        <tt class="py-keyword">raise</tt> <tt id="link-12" class="py-name" targets="Class gluon.restricted.RestrictedError=gluon.restricted.RestrictedError-class.html"><a title="gluon.restricted.RestrictedError" class="py-name" href="#" onclick="return doclink('link-12', 'RestrictedError', 'link-12');">RestrictedError</a></tt><tt class="py-op">(</tt><tt class="py-name">layer</tt><tt class="py-op">,</tt> <tt class="py-name">code</tt><tt class="py-op">,</tt> <tt class="py-string">''</tt><tt class="py-op">,</tt> <tt class="py-name">environment</tt><tt class="py-op">)</tt> </tt>
</div><a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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